bearded man holding ultrasound photo, sitting on bed, pregnancy, responsibility, future father

Hidden Evolution: How Aging Makes Men’s Sperm More Risky

If you’ve ever heard that it’s “better to have kids young,” you probably assumed it was mostly about energy and sleep. But new genetics research suggests there’s a deeper, hidden reason: as men age, their sperm doesn’t just collect random wear and tear — it undergoes a kind of tiny evolution inside the testes that …

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